package com.damenggroup.base.callback.databind

import androidx.databinding.ObservableField

/**
 *Customized ObservableField in which the value is String.it provides default value
 * to avoid determining whether its value is null when accessing its value
 */
open class StringObservableField(value: String = "") : ObservableField<String>(value) {

    override fun get(): String {
        return super.get()!!
    }

}